using System;

/*
 * $Id: PdfPattern.cs 106 2009-12-07 12:23:50Z psoares33 $
 *
 * This file is part of the iText project.
 * Copyright (c) 1998-2009 1T3XT BVBA
 * Authors: Bruno Lowagie, Paulo Soares, et al.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY 1T3XT,
 * 1T3XT DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License for more details.
 * You should have received a copy of the GNU Affero General Public License
 * along with this program; if not, see http://www.gnu.org/licenses or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA, 02110-1301 USA, or download the license from the following URL:
 * http://itextpdf.com/terms-of-use/
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License,
 * you must retain the producer line in every PDF that is created or manipulated
 * using iText.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the iText software without
 * disclosing the source code of your own applications.
 * These activities include: offering paid services to customers as an ASP,
 * serving PDFs on the fly in a web application, shipping iText with a closed
 * source product.
 *
 * For more information, please contact iText Software Corp. at this
 * address: sales@itextpdf.com
 */

namespace iTextSharp.text.pdf {

    /**
     * A <CODE>PdfPattern</CODE> defines a ColorSpace
     *
     * @see     PdfStream
     */

    public class PdfPattern : PdfStream {
    
        /**
        * Creates a PdfPattern object.
        * @param   painter a pattern painter instance
        */
        internal PdfPattern(PdfPatternPainter painter) : this(painter, DEFAULT_COMPRESSION) {
        }

        /**
        * Creates a PdfPattern object.
        * @param   painter a pattern painter instance
        * @param   compressionLevel the compressionLevel for the stream
        * @since   2.1.3
        */
        internal PdfPattern(PdfPatternPainter painter, int compressionLevel) : base() {
            PdfNumber one = new PdfNumber(1);
            PdfArray matrix = painter.Matrix;
            if ( matrix != null ) {
                Put(PdfName.MATRIX, matrix);
            }
            Put(PdfName.TYPE, PdfName.PATTERN);
            Put(PdfName.BBOX, new PdfRectangle(painter.BoundingBox));
            Put(PdfName.RESOURCES, painter.Resources);
            Put(PdfName.TILINGTYPE, one);
            Put(PdfName.PATTERNTYPE, one);
            if (painter.IsStencil())
                Put(PdfName.PAINTTYPE, new PdfNumber(2));
            else
                Put(PdfName.PAINTTYPE, one);
            Put(PdfName.XSTEP, new PdfNumber(painter.XStep));
            Put(PdfName.YSTEP, new PdfNumber(painter.YStep));
            bytes = painter.ToPdf(null);
            Put(PdfName.LENGTH, new PdfNumber(bytes.Length));
            FlateCompress(compressionLevel);
        }
    }
}
